Sunan Abi Dawud 4056
سنن أبي داود#4056Sahihحَدَّثَنَا النُّفَيْلِيُّ، حَدَّثَنَا عِيسَى، - يَعْنِي ابْنَ يُونُسَ - عَنْ سَعِيدِ بْنِ أَبِي عَرُوبَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ رَخَّصَ رَسُولُ اللَّهِ صلى الله عليه وسلم لِعَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ وَلِلزُّبَيْرِ بْنِ الْعَوَّامِ فِي قُمُصِ الْحَرِيرِ فِي السَّفَرِ مِنْ حِكَّةٍ كَانَتْ بِهِمَا .
Narrated Anas:The Messenger of Allah (ﷺ) gave license to 'Abd al-Rahman b. 'Awf and al-Zubair b. al-'Awwam to wear silk shirts during a journey because of an itch which they had
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 34:37